The branch of the nervous system that helps govern smooth muscle contraction is the ________ nervous system.
A. autonomic
B. somatic
Answer: A
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During a long illness, Terrell has not been eating much. As a result, his plasma Ca2+ levels decrease. Which hormone would we expect to see in higher levels than usual in his blood?
A. Parathyroid hormone B. Calcitonin C. Insulin D. Thyroxine E. Growth hormone
________ refers to the mass movement of fluid between the blood and the interstitial fluid as the result of ________ or ________ pressure gradients. If the direction of bulk flow is into the capillary, the fluid movement is called ________. If the direction of flow is out of the capillary, the fluid movement is known as ________.
Fill in the blank(s) with the appropriate word(s).
A molecule of air enters the nose through the external nares. Which of the following is the correct pathway to the trachea?
A. Nasopharynx, nasal cavity, laryngopharynx, trachea B. Nasal cavity, larynx, pharynx, trachea C. Nasal cavity, pharynx, larynx, trachea D. Nasal cavity, trachea, larynx, pharynx E. Oral cavity, nasal cavity, larynx, pharynx, trachea
Sensible perspiration
A. is water lost through simple evaporation. B. is secreted by the sweat glands. C. is secreted by salivary glands. D. contains only water. E. is invisible on the skin.